Ink Jet Ink Composition And Recording Method

Abstract

Provided is an ink jet ink composition which is a solvent-based ink, the composition including a metal pigment, a polyoxyalkylene amine compound, and an organic solvent, in which the metal pigment is a metal particle having a surface treated with a surface treatment agent, the surface treatment agent is a compound represented by Formula (1) or Formula (2), the polyoxyalkylene amine compound includes a compound represented by Formula (3), and the compound represented by Formula (3) is formed such that an average of m/(m+n)×100 (%) is 20% or greater. (R 1 —)P(O)(OH) 2   (1) (R 2 —O—) a P(O)(OH) 3-a   (2) (In Formulae (1) and (2), R 1 and R 2 each independently represent a hydrocarbon group having 14 or more carbon atoms which may be substituted with a substituent, and a represents 1 or 2.) R 3 (OC 2 H 4 ) m —(OC 3 H 6 ) n —NH 2   (3) (In Formula (3), R 3 represents a hydrogen atom or an alkyl group having 4 or more carbon atoms, m represents an integer of 1 or greater, n represents an integer of 0 or greater, and m+n is an integer of 10 or greater, where an arrangement order of an oxyethylene unit (OC 2 H 4 ) and an oxypropylene unit (OC 3 H 6 ) is optional.)

What is claimed is: 
     
         1 . An ink jet ink composition which is a solvent-based ink, the composition comprising:
 a metal pigment;   a polyoxyalkylene amine compound; and   an organic solvent,   wherein the metal pigment is a metal particle having a surface treated with a surface treatment agent,   the surface treatment agent is a compound represented by Formula (1) or Formula (2),   the polyoxyalkylene amine compound includes a compound represented by Formula (3), and   the compound represented by Formula (3) is formed such that an average of m/(m+n)×100(%) is 20% or greater,
   (R 1 —)P(O)(OH) 2   (1)
 
   (R 2 —O—) a P(O)(OH) 3-a   (2)
 
   in Formulae (1) and (2), R 1  and R 2  each independently represent a hydrocarbon group having 14 or more carbon atoms which may be substituted with a substituent, and a represents 1 or 2,
   R 3 (OC 2 H 4 ) m —(OC 3 H 6 ) n —NH 2   (3)
 
   in Formula (3), R 3  represents a hydrogen atom or an alkyl group having 4 or less carbon atoms, m represents an integer of 1 or greater, n represents an integer of 0 or greater, and m+n is an integer of 10 or greater, where an arrangement order of an oxyethylene unit (OC 2 H 4 ) and an oxypropylene unit (OC 3 H 6 ) is optional.   
     
     
         2 . The ink jet ink composition according to  claim 1 ,
 wherein a content of the compound represented by Formula (3) is 20% by mass or greater and 80% by mass or less with respect to 100% by mass of a total mass of the metal particle.   
     
     
         3 . The ink jet ink composition according to  claim 1 ,
 wherein the metal pigment has a volume average particle diameter D50 of 0.5 μm or less.   
     
     
         4 . The ink jet ink composition according to  claim 1 ,
 wherein the metal pigment has a scaly shape and an average thickness of 30 nm or less.   
     
     
         5 . The ink jet ink composition according to  claim 1 ,
 wherein a content of an organic solvent having an SP value of 26 MPau 1/2  or less is 90% by mass or greater with respect to 100% by mass of a total mass of the organic solvent.   
     
     
         6 . The ink jet ink composition according to  claim 1 ,
 wherein the organic solvent is selected from a glycol ether-based organic solvent and a lactone-based organic solvent.   
     
     
         7 . The ink jet ink composition according to  claim 1 ,
 wherein a content of the organic solvent is 50% by mass or greater with respect to a total amount of the ink jet ink composition.   
     
     
         8 . The ink jet ink composition according to  claim 1 ,
 wherein R 1  and R 2  represent an unsubstituted hydrocarbon group.   
     
     
         9 . The ink jet ink composition according to  claim 1 ,
 wherein R 1  and R 2  represent a hydrocarbon group having 15 or more and 30 or less carbon atoms.   
     
     
         10 . The ink jet ink composition according to  claim 1 ,
 wherein the metal particle consists of aluminum or an aluminum alloy.   
     
     
         11 . A recording method comprising:
 making the ink jet ink composition according to  claim 1  adhere to a recording medium.